Effect Of Surface Roughness On Tribological Properties Of PKAC-E Composite

Ahmad Farid, Zaini (2015) Effect Of Surface Roughness On Tribological Properties Of PKAC-E Composite. Project Report. UTeM, Melaka, Malaysia. (Submitted)

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Abstract

PKAC-E is a relatively new composite material that still needed to be study. Due to its possible application in the dry lubrication, the study of its tribology properties is important to ensure that it is suitable for that function. To be considered ad a good dry lubricant, this material must have very low friction and coefficient of friction value of approximately 0.0 N to 20.0 N and 0.05 to 0.5 respectively. Wear rate for the material must also be relatively low. To study the required properties an experiment have been conducted with different variable perimeter to determine each direct effect toward the wear and friction of the material. For this particular experiment, surface roughness of the material had been decided to be the variable while keeping the temperature, Sliding distance, load, and sliding speed as a constant. The compound ratio consist of PKAC wt70%, Resin wt25% and Hardener wt5%. the compound was made by using Motorise hydraulic test machine at 2.5 Mpa for 800C temperature. To obtain different surface roughness, the surface was rubbed against polishing machine to get variation of 1.0, 1.5, 2.0, 2.5, and 3.0 μm. Before conducting the experiment, the speciment of PKAC-E needed to be prepared. The specimen was then tested on a Pin-on Disc tribometer. The result taken from the setup was friction and coefficient of friction. From that, the value of wear rate and wear volume was calculated by using suitable correlation.

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